The comments about Adelle being dumped because of her weight was a perfect time to tell them that Halle Barry,Jennifer Lopez, Elizabeth Taylor, Marilyn Monroe and many other female celebrities have been in multiple failed relationships and they are supposed to be some of the most beautiful women in the world.
This was a great chance to inform that how a woman looks on the outside is not a determining factor of whether or not she will be in a healthy and happy relationship--there are so many other factors that determine the success of any relationship.
Additionally, this was a good opportunity to ask them whether or not men are look at the same way when their relationships fail. Ryan Reynolds and Scarlett Johansson recently divorced is it because of their appearance?
When we as adults hear children saying insensitive and mean things about others, I think it is our moral duty to intervene, how else are children going to learn to think and act differently?